diff options
Diffstat (limited to 'test/test_pppoe.py')
| -rw-r--r-- | test/test_pppoe.py | 611 |
1 files changed, 611 insertions, 0 deletions
diff --git a/test/test_pppoe.py b/test/test_pppoe.py new file mode 100644 index 00000000000..99dba01cdc9 --- /dev/null +++ b/test/test_pppoe.py @@ -0,0 +1,611 @@ +#!/usr/bin/env python3 + +import socket +import unittest + +from scapy.packet import Raw +from scapy.layers.l2 import Ether +from scapy.layers.ppp import PPPoE, PPPoED, PPP +from scapy.layers.inet import IP + +from framework import VppTestCase, VppTestRunner +from vpp_ip_route import VppIpRoute, VppRoutePath +from vpp_pppoe_interface import VppPppoeInterface +from util import ppp, ppc + + +class TestPPPoE(VppTestCase): + """ PPPoE Test Case """ + + @classmethod + def setUpClass(cls): + super(TestPPPoE, cls).setUpClass() + + cls.session_id = 1 + cls.dst_ip = "100.1.1.100" + cls.dst_ipn = socket.inet_pton(socket.AF_INET, cls.dst_ip) + + @classmethod + def tearDownClass(cls): + super(TestPPPoE, cls).tearDownClass() + + def setUp(self): + super(TestPPPoE, self).setUp() + + # create 2 pg interfaces + self.create_pg_interfaces(range(3)) + + for i in self.pg_interfaces: + i.admin_up() + i.config_ip4() + i.resolve_arp() + + def tearDown(self): + super(TestPPPoE, self).tearDown() + + for i in self.pg_interfaces: + i.unconfig_ip4() + i.admin_down() + + def show_commands_at_teardown(self): + self.logger.info(self.vapi.cli("show int")) + self.logger.info(self.vapi.cli("show pppoe fib")) + self.logger.info(self.vapi.cli("show pppoe session")) + self.logger.info(self.vapi.cli("show ip fib")) + self.logger.info(self.vapi.cli("show trace")) + + def create_stream_pppoe_discovery(self, src_if, dst_if, + client_mac, count=1): + packets = [] + for i in range(count): + # create packet info stored in the test case instance + info = self.create_packet_info(src_if, dst_if) + # convert the info into packet payload + payload = self.info_to_payload(info) + # create the packet itself + p = (Ether(dst=src_if.local_mac, src=client_mac) / + PPPoED(sessionid=0) / + Raw(payload)) + # store a copy of the packet in the packet info + info.data = p.copy() + # append the packet to the list + packets.append(p) + + # return the created packet list + return packets + + def create_stream_pppoe_lcp(self, src_if, dst_if, + client_mac, session_id, count=1): + packets = [] + for i in range(count): + # create packet info stored in the test case instance + info = self.create_packet_info(src_if, dst_if) + # convert the info into packet payload + payload = self.info_to_payload(info) + # create the packet itself + p = (Ether(dst=src_if.local_mac, src=client_mac) / + PPPoE(sessionid=session_id) / + PPP(proto=0xc021) / + Raw(payload)) + # store a copy of the packet in the packet info + info.data = p.copy() + # append the packet to the list + packets.append(p) + + # return the created packet list + return packets + + def create_stream_pppoe_ip4(self, src_if, dst_if, + client_mac, session_id, client_ip, count=1): + packets = [] + for i in range(count): + # create packet info stored in the test case instance + info = self.create_packet_info(src_if, dst_if) + # convert the info into packet payload + payload = self.info_to_payload(info) + # create the packet itself + p = (Ether(dst=src_if.local_mac, src=client_mac) / + PPPoE(sessionid=session_id) / + PPP(proto=0x0021) / + IP(src=client_ip, dst=self.dst_ip) / + Raw(payload)) + # store a copy of the packet in the packet info + info.data = p.copy() + # append the packet to the list + packets.append(p) + + # return the created packet list + return packets + + def create_stream_ip4(self, src_if, dst_if, client_ip, dst_ip, count=1): + pkts = [] + for i in range(count): + # create packet info stored in the test case instance + info = self.create_packet_info(src_if, dst_if) + # convert the info into packet payload + payload = self.info_to_payload(info) + # create the packet itself + p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) / + IP(src=dst_ip, dst=client_ip) / + Raw(payload)) + # store a copy of the packet in the packet info + info.data = p.copy() + # append the packet to the list + pkts.append(p) + + # return the created packet list + return pkts + + def verify_decapped_pppoe(self, src_if, capture, sent): + self.assertEqual(len(capture), len(sent)) + + for i in range(len(capture)): + try: + tx = sent[i] + rx = capture[i] + + tx_ip = tx[IP] + rx_ip = rx[IP] + + self.assertEqual(rx_ip.src, tx_ip.src) + self.assertEqual(rx_ip.dst, tx_ip.dst) + + except: + self.logger.error(ppp("Rx:", rx)) + self.logger.error(ppp("Tx:", tx)) + raise + + def verify_encaped_pppoe(self, src_if, capture, sent, session_id): + + self.assertEqual(len(capture), len(sent)) + + for i in range(len(capture)): + try: + tx = sent[i] + rx = capture[i] + + tx_ip = tx[IP] + rx_ip = rx[IP] + + self.assertEqual(rx_ip.src, tx_ip.src) + self.assertEqual(rx_ip.dst, tx_ip.dst) + + rx_pppoe = rx[PPPoE] + + self.assertEqual(rx_pppoe.sessionid, session_id) + + except: + self.logger.error(ppp("Rx:", rx)) + self.logger.error(ppp("Tx:", tx)) + raise + + def test_PPPoE_Decap(self): + """ PPPoE Decap Test """ + + self.vapi.cli("clear trace") + + # + # Add a route that resolves the server's destination + # + route_sever_dst = VppIpRoute(self, "100.1.1.100", 32, + [VppRoutePath(self.pg1.remote_ip4, + self.pg1.sw_if_index)]) + route_sever_dst.add_vpp_config() + + # Send PPPoE Discovery + tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1, + self.pg0.remote_mac) + self.pg0.add_stream(tx0) + self.pg_start() + + # Send PPPoE PPP LCP + tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1, + self.pg0.remote_mac, + self.session_id) + self.pg0.add_stream(tx1) + self.pg_start() + + # Create PPPoE session + pppoe_if = VppPppoeInterface(self, + self.pg0.remote_ip4, + self.pg0.remote_mac, + self.session_id) + pppoe_if.add_vpp_config() + pppoe_if.set_unnumbered(self.pg0.sw_if_index) + + # + # Send tunneled packets that match the created tunnel and + # are decapped and forwarded + # + tx2 = self.create_stream_pppoe_ip4(self.pg0, self.pg1, + self.pg0.remote_mac, + self.session_id, + self.pg0.remote_ip4) + self.pg0.add_stream(tx2) + + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + rx2 = self.pg1.get_capture(len(tx2)) + self.verify_decapped_pppoe(self.pg0, rx2, tx2) + + self.logger.info(self.vapi.cli("show pppoe fib")) + self.logger.info(self.vapi.cli("show pppoe session")) + self.logger.info(self.vapi.cli("show ip fib")) + + # + # test case cleanup + # + + # Delete PPPoE session + pppoe_if.remove_vpp_config() + + # Delete a route that resolves the server's destination + route_sever_dst.remove_vpp_config() + + def test_PPPoE_Encap(self): + """ PPPoE Encap Test """ + + self.vapi.cli("clear trace") + + # + # Add a route that resolves the server's destination + # + route_sever_dst = VppIpRoute(self, "100.1.1.100", 32, + [VppRoutePath(self.pg1.remote_ip4, + self.pg1.sw_if_index)]) + route_sever_dst.add_vpp_config() + + # Send PPPoE Discovery + tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1, + self.pg0.remote_mac) + self.pg0.add_stream(tx0) + self.pg_start() + + # Send PPPoE PPP LCP + tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1, + self.pg0.remote_mac, + self.session_id) + self.pg0.add_stream(tx1) + self.pg_start() + + # Create PPPoE session + pppoe_if = VppPppoeInterface(self, + self.pg0.remote_ip4, + self.pg0.remote_mac, + self.session_id) + pppoe_if.add_vpp_config() + pppoe_if.set_unnumbered(self.pg0.sw_if_index) + + # + # Send a packet stream that is routed into the session + # - packets are PPPoE encapped + # + self.vapi.cli("clear trace") + tx2 = self.create_stream_ip4(self.pg1, self.pg0, + self.pg0.remote_ip4, self.dst_ip, 65) + self.pg1.add_stream(tx2) + + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + rx2 = self.pg0.get_capture(len(tx2)) + self.verify_encaped_pppoe(self.pg1, rx2, tx2, self.session_id) + + self.logger.info(self.vapi.cli("show pppoe fib")) + self.logger.info(self.vapi.cli("show pppoe session")) + self.logger.info(self.vapi.cli("show ip fib")) + self.logger.info(self.vapi.cli("show adj")) + + # + # test case cleanup + # + + # Delete PPPoE session + pppoe_if.remove_vpp_config() + + # Delete a route that resolves the server's destination + route_sever_dst.remove_vpp_config() + + def test_PPPoE_Add_Twice(self): + """ PPPoE Add Same Session Twice Test """ + + self.vapi.cli("clear trace") + + # + # Add a route that resolves the server's destination + # + route_sever_dst = VppIpRoute(self, "100.1.1.100", 32, + [VppRoutePath(self.pg1.remote_ip4, + self.pg1.sw_if_index)]) + route_sever_dst.add_vpp_config() + + # Send PPPoE Discovery + tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1, + self.pg0.remote_mac) + self.pg0.add_stream(tx0) + self.pg_start() + + # Send PPPoE PPP LCP + tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1, + self.pg0.remote_mac, + self.session_id) + self.pg0.add_stream(tx1) + self.pg_start() + + # Create PPPoE session + pppoe_if = VppPppoeInterface(self, + self.pg0.remote_ip4, + self.pg0.remote_mac, + self.session_id) + pppoe_if.add_vpp_config() + pppoe_if.set_unnumbered(self.pg0.sw_if_index) + + # + # The double create (create the same session twice) should fail, + # and we should still be able to use the original + # + try: + pppoe_if.add_vpp_config() + except Exception: + pass + else: + self.fail("Double GRE tunnel add does not fail") + + # + # test case cleanup + # + + # Delete PPPoE session + pppoe_if.remove_vpp_config() + + # Delete a route that resolves the server's destination + route_sever_dst.remove_vpp_config() + + def test_PPPoE_Del_Twice(self): + """ PPPoE Delete Same Session Twice Test """ + + self.vapi.cli("clear trace") + + # + # Add a route that resolves the server's destination + # + route_sever_dst = VppIpRoute(self, "100.1.1.100", 32, + [VppRoutePath(self.pg1.remote_ip4, + self.pg1.sw_if_index)]) + route_sever_dst.add_vpp_config() + + # Send PPPoE Discovery + tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1, + self.pg0.remote_mac) + self.pg0.add_stream(tx0) + self.pg_start() + + # Send PPPoE PPP LCP + tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1, + self.pg0.remote_mac, + self.session_id) + self.pg0.add_stream(tx1) + self.pg_start() + + # Create PPPoE session + pppoe_if = VppPppoeInterface(self, + self.pg0.remote_ip4, + self.pg0.remote_mac, + self.session_id) + pppoe_if.add_vpp_config() + + # Delete PPPoE session + pppoe_if.remove_vpp_config() + + # + # The double del (del the same session twice) should fail, + # and we should still be able to use the original + # + try: + pppoe_if.remove_vpp_config() + except Exception: + pass + else: + self.fail("Double GRE tunnel del does not fail") + + # + # test case cleanup + # + + # Delete a route that resolves the server's destination + route_sever_dst.remove_vpp_config() + + def test_PPPoE_Decap_Multiple(self): + """ PPPoE Decap Multiple Sessions Test """ + + self.vapi.cli("clear trace") + + # + # Add a route that resolves the server's destination + # + route_sever_dst = VppIpRoute(self, "100.1.1.100", 32, + [VppRoutePath(self.pg1.remote_ip4, + self.pg1.sw_if_index)]) + route_sever_dst.add_vpp_config() + + # Send PPPoE Discovery 1 + tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1, + self.pg0.remote_mac) + self.pg0.add_stream(tx0) + self.pg_start() + + # Send PPPoE PPP LCP 1 + tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1, + self.pg0.remote_mac, + self.session_id) + self.pg0.add_stream(tx1) + self.pg_start() + + # Create PPPoE session 1 + pppoe_if1 = VppPppoeInterface(self, + self.pg0.remote_ip4, + self.pg0.remote_mac, + self.session_id) + pppoe_if1.add_vpp_config() + pppoe_if1.set_unnumbered(self.pg0.sw_if_index) + + # Send PPPoE Discovery 2 + tx3 = self.create_stream_pppoe_discovery(self.pg2, self.pg1, + self.pg2.remote_mac) + self.pg2.add_stream(tx3) + self.pg_start() + + # Send PPPoE PPP LCP 2 + tx4 = self.create_stream_pppoe_lcp(self.pg2, self.pg1, + self.pg2.remote_mac, + self.session_id + 1) + self.pg2.add_stream(tx4) + self.pg_start() + + # Create PPPoE session 2 + pppoe_if2 = VppPppoeInterface(self, + self.pg2.remote_ip4, + self.pg2.remote_mac, + self.session_id + 1) + pppoe_if2.add_vpp_config() + pppoe_if2.set_unnumbered(self.pg0.sw_if_index) + + # + # Send tunneled packets that match the created tunnel and + # are decapped and forwarded + # + tx2 = self.create_stream_pppoe_ip4(self.pg0, self.pg1, + self.pg0.remote_mac, + self.session_id, + self.pg0.remote_ip4) + self.pg0.add_stream(tx2) + + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + rx2 = self.pg1.get_capture(len(tx2)) + self.verify_decapped_pppoe(self.pg0, rx2, tx2) + + tx5 = self.create_stream_pppoe_ip4(self.pg2, self.pg1, + self.pg2.remote_mac, + self.session_id + 1, + self.pg2.remote_ip4) + self.pg2.add_stream(tx5) + + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + rx5 = self.pg1.get_capture(len(tx5)) + self.verify_decapped_pppoe(self.pg2, rx5, tx5) + + self.logger.info(self.vapi.cli("show pppoe fib")) + self.logger.info(self.vapi.cli("show pppoe session")) + self.logger.info(self.vapi.cli("show ip fib")) + + # + # test case cleanup + # + + # Delete PPPoE session + pppoe_if1.remove_vpp_config() + pppoe_if2.remove_vpp_config() + + # Delete a route that resolves the server's destination + route_sever_dst.remove_vpp_config() + + def test_PPPoE_Encap_Multiple(self): + """ PPPoE Encap Multiple Sessions Test """ + + self.vapi.cli("clear trace") + + # + # Add a route that resolves the server's destination + # + route_sever_dst = VppIpRoute(self, "100.1.1.100", 32, + [VppRoutePath(self.pg1.remote_ip4, + self.pg1.sw_if_index)]) + route_sever_dst.add_vpp_config() + + # Send PPPoE Discovery 1 + tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1, + self.pg0.remote_mac) + self.pg0.add_stream(tx0) + self.pg_start() + + # Send PPPoE PPP LCP 1 + tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1, + self.pg0.remote_mac, + self.session_id) + self.pg0.add_stream(tx1) + self.pg_start() + + # Create PPPoE session 1 + pppoe_if1 = VppPppoeInterface(self, + self.pg0.remote_ip4, + self.pg0.remote_mac, + self.session_id) + pppoe_if1.add_vpp_config() + + # Send PPPoE Discovery 2 + tx3 = self.create_stream_pppoe_discovery(self.pg2, self.pg1, + self.pg2.remote_mac) + self.pg2.add_stream(tx3) + self.pg_start() + + # Send PPPoE PPP LCP 2 + tx4 = self.create_stream_pppoe_lcp(self.pg2, self.pg1, + self.pg2.remote_mac, + self.session_id + 1) + self.pg2.add_stream(tx4) + self.pg_start() + + # Create PPPoE session 2 + pppoe_if2 = VppPppoeInterface(self, + self.pg2.remote_ip4, + self.pg2.remote_mac, + self.session_id + 1) + pppoe_if2.add_vpp_config() + + # + # Send a packet stream that is routed into the session + # - packets are PPPoE encapped + # + self.vapi.cli("clear trace") + tx2 = self.create_stream_ip4(self.pg1, self.pg0, + self.pg0.remote_ip4, self.dst_ip) + self.pg1.add_stream(tx2) + + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + rx2 = self.pg0.get_capture(len(tx2)) + self.verify_encaped_pppoe(self.pg1, rx2, tx2, self.session_id) + + tx5 = self.create_stream_ip4(self.pg1, self.pg2, + self.pg2.remote_ip4, self.dst_ip) + self.pg1.add_stream(tx5) + + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + rx5 = self.pg2.get_capture(len(tx5)) + self.verify_encaped_pppoe(self.pg1, rx5, tx5, self.session_id + 1) + + self.logger.info(self.vapi.cli("show pppoe fib")) + self.logger.info(self.vapi.cli("show pppoe session")) + self.logger.info(self.vapi.cli("show ip fib")) + + # + # test case cleanup + # + + # Delete PPPoE session + pppoe_if1.remove_vpp_config() + pppoe_if2.remove_vpp_config() + + # Delete a route that resolves the server's destination + route_sever_dst.remove_vpp_config() + +if __name__ == '__main__': + unittest.main(testRunner=VppTestRunner) |